Wheat midges are mosquitoes, and there are about 3000 species in the world. It is a tiny flying insect with a piercing and sucking mouthparts.
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In the summer evening, in the endless meadow and dense forest, black bugs often fly around silently. The number is so large that people look like rising smoke from a distance. Whether people or livestock, as long as they live in their own areas, they will be found itchy all over. This is the famous blood-sucking insect-midges, also known as biting, ink mosquitoes, chaff mosquitoes and so on.
Small individuals do great harm to human beings, which is a major feature of midges. In China, midges are distributed all over the country except in the northeast, but they are especially abundant in the forest areas and grasslands in the northeast.
There are more than 1000 species of bloodsucking midges in the world, and there are about 150 species in China. Although they are small and not good at flying, they suck blood fiercely. Because it breeds a lot, it often bites people in groups, and it is silent, so you can't prevent it. After biting, it won't spill until the stomach is full.
Because the acidic liquid secreted by it is extremely irritating, it is even more painful for some people who are allergic to it. Women, children and non-local residents react more strongly, often scratching the skin causes infection, forming ulcers, redness and swelling, which makes it very inconvenient to move.
Midges can also spread many human and animal diseases. According to statistics, midges can also spread the following diseases: chicken pox, equine tinea, bovine epidemic fever, African horse plague, bovine hemorrhagic fever, avian malaria, filariasis, equine encephalitis, bluetongue disease, catarrhal sheep fever, Toulouse disease, premature birth, stillbirth and deformity of cattle and horses.